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U Vikipediyi ye statti pro inshi znachennya cogo termina Zika znachennya Virus ZikaElektronna mikrofotografiya virusu Zika Klasifikaciya virusivGrupa IVRodina FlaviviridaeRid FlavivirusVid Zika virusPosilannyaVikishovishe Zika virusVikividi Zika virusEOL 541190ICTV 00 026 0 01 046NCBI 64320Vi rus Zi ka angl Zika virus ZIKV vid virusiv rodu Flavivirus rodina Flaviviridae yakij perenosyat komari rodu Aedes U lyudej vin zdatnij porodzhuvati zahvoryuvannya vidome yak hvoroba yaku sprichinyuye virus Zika angl Zika virus disease same taku nazvu vikoristovuye VOOZ v oficijnih spovishennyah abo garyachka Zika yaku z 1950 h rokiv zareyestrovano v rajonah ekvatorialnogo poyasu Afriki ta Aziyi Z 1 lyutogo 2016 roku VOOZ viznala cyu hvorobu takoyu yaka viyavila zdatnist chiniti serjoznij vpliv na zdorov ya naselennya i mozhe shvidko poshiryuvatisya v mizhnarodnih masshtabah ta uvijshla do pereliku podij yaki sprichinyuyut nadzvichajnu situaciyu v galuzi ohoroni zdorov ya na svitovomu rivni 1 Zmist 1 Aktualnist 2 Istoriya vidkrittya 3 Budova 4 Faktori agresiyi 5 Filogenichni osoblivosti virusu 6 Osoblivosti poshirennya virusu v organizmi 7 Peredacha virusu do lyudej 8 Klinichni oznaki 9 Profilaktika i likuvannya 10 Doslidzhennya 11 Div takozh 12 Primitki 13 PosilannyaAktualnist RedaguvatiDetalnishi vidomosti z ciyeyi temi vi mozhete znajti v statti Pandemiya hvorobi yaku sprichinyuye virus Zika nbsp Shema poshirennya ta evolyuciyi virusu Zika U 2007 roci virus Zika raptovo poshirivsya na shid cherez Tihij okean do Okeaniyi Francuzkoyi Polineziyi ta ostrovu Pashi Uprodovzh dekilkoh rokiv virus viruvav u Tihookeanskomu regioni 2015 roku dosyag Pivdennoyi ta Centralnoyi Ameriki karibskih krayin i na sogodni stavlyat pitannya pro mozhlivist pandemiyi hvorobi yaku sprichinyuye virus Zika 2 hocha fahivci VOOZ pro ce she ostatochno ne virishili Zahvoryuvannya nagaduye legku formu garyachki denge 3 perebigaye bez neobhidnosti serjoznogo likuvannya i na sogodni ne mozhe buti poperedzheno ani protivirusnimi preparatami ani specifichnoyu vakcinoyu 4 Hvoroba yaku sprichinyuye virus Zika sporidnena z zhovtoyu garyachkoyu ta garyachkoyu Zahidnogo Nilu tomu sho yih sprichinyuyut flavivirusi sho peredayutsya komarami 3 Pid chas epidemiyi u Francuzkij Polineziyi bulo viyavleno 73 vipadki sindromu Giyena Barre ta inshih nevrologichnih uskladnen sered 270 000 osib sho mozhe buti pov yazane z virusom Zika 2 Zgidno spovishennya VOOZ u Salvadori sposterigayut nezvichne zbilshennya kilkosti zahvorilih na sindrom Giyena Barre Serednorichne chislo zahvorilih na cej sindrom u cij krayini skladaye 169 Ale vid 1 grudnya 2015 roku po 6 sichnya 2016 roku zareyestrovano vzhe 46 vipadkiv cogo urazhennya nervovoyi sistemi zokrema 2 smerti Provodyat kompleks riznomanitnih doslidzhen v tomu chisli napravlenih na viyavlennya mozhlivogo zv yazku mizh sindromom Giyena Barre j virusom Zika u cij krayini 5 nbsp Porivnyannya zmin golovi u ditini z mikrocefaliyeyu livoruch i normalnogo nemovlya pravoruch Yevropejskij centr iz zapobigannya i kontrolyu zahvoryuvan u grudni 2015 roku vipustiv publikaciyu na temu mozhlivogo zv yazku virusu Zika z vrodzhenoyu mikrocefaliyeyu i sindromom Giyena Barre 6 Zv yazok ciyeyi hvorobi z mikrocefaliyeyu u novonarodzhenih yaki narodilisya vid infikovanih materiv na danij chas vvazhayut najimovirnishim 7 pro ce svidchat rezultati roztinu okremih pomerlih ditej z yavishami mikrocefaliyi 8 9 prote fahivci z borotbi z poshirennyam infekcijnih hvorob zasterigayut poki sho vid bezapelyacijnih visnovkiv pro absolyutnij zv yazok ta nagoloshuyut na neobhidnosti provoditi podalshi vseosyazhni gruntovni kompleksni doslidzhennya Druge zasidannya Komitetu Mizhnarodnih mediko sanitarnih pravil 8 bereznya 2016 roku obgovorilo pitannya mozhlivogo zv yazku mizh hvoroboyu yaku sprichinyuye virus Zika ta nevrologichnim rozladom sindromom Giyena Barre i vrodzhenoyu anomaliyeyu mikrocefaliyeyu Bulo vidmicheno sho vse bilsh imovirnim vvizhayetsya mizh nimi pryamij zv yazok ale ostatochnij visnovok robiti she zarano tomu Komitet i VOOZ zaklikayut do vseosyazhnogo prodovzhennya naukovih doslidzhen ta yihnij intensifikaciyi zadlya shvidshogo virishennya cogo pitannya 10 15 sichnya 2016 roku viddil Centriv z kontrolyu i profilaktiki zahvoryuvan CDC oprilyudniv rekomendaciyi dlya mandrivnikiv po krayinam de zafiksovano vipadki hvorobi yaku sprichinyuye virus Zika vklyuchayuchi rekomendaciyi shodo prijnyattya osoblivih zahodiv bezpeki i perenesennya poyizdki yaksho v nij nemaye terminovoyi neobhidnosti 11 Detalnishi vidomosti z ciyeyi temi vi mozhete znajti v statti Hvoroba yaku sprichinyuye virus Zika Na sajti Dityachogo fondu YuNISEF Organizaciyi Ob yednanih Nacij OON 2 lyutogo 2016 roku opublikovano informaciyu zgidno yakoyi mozhlivist rozvitku mikrocefaliyi u ploda vagitnoyi zhinki yaku bulo infikovano virusom Zika poki ne pidtverdzheno ale i ne sprostovano Ne divlyachis na te sho do sih pir nemaye perekonlivih dokaziv prichinno naslidkovogo zv yazku mizh mikrocefaliyeyu ta virusom Zika dosit zanepokoyennya shob garantuvati negajnu diyu skazav doktor Hizer Papovic starshij radnik YuNISEF z pitan ohoroni zdorov ya nadzvichajnih situacij Mi povinni diyati shvidko abi zabezpechiti dostup do informaciyi zhinkam i vagitnim neobhidnoyi shob zahistiti sebe i svoyih ditej i mi povinni vzayemodiyati z gromadami z pitan togo yak zupiniti komariv peredachu cogo virusu Tam zhe navedeno statistiku viyavlennya vipadkiv mikrocefaliyi u novonarodzhenih v Braziliyi za danimi fondu za period z 22 zhovtnya 2015 roku po 26 sichnya 2016 viyavleno 4 180 vipadkiv u toj chas protyagom 2014 roku lishe 147 vipadkiv 12 Istoriya vidkrittya Redaguvati nbsp Mapa sho vidobrazhaye nepryamu jmovirnist viniknennya hvorobi yaku sprichinyuye virus Zika sinij jmovirnist vidsutnya chervonij visoka jmovirnist Mapa demonstruye poshirennya v sviti osnovnogo perenosnika hvorobi komariv Aedes aegypti Vpershe virus bulo vidileno 1947 roku u makak rezusiv v lisi Zika Uganda 13 U 1952 roci virus vpershe bulo vidileno vid lyudini tezh v Ugandi 14 15 Z togo chasu po 1981 rik buli otrimani chislenni svidoctva togo sho virus maye stalu cirkulyaciyu sered lyudej v Africi i mozhe sprichinyati zahvoryuvannya dokazi chogo bulo otrimano i v inshih afrikanskih krayinah takih yak Tanzaniya Yegipet CAR Syerra Leone Gabon a takozh v deyakih oblastyah Aziyi vklyuchayuchi Indiyu Malajziyu Filippini Tayiland V yetnam ta Indoneziyu 13 Budova RedaguvatiPodibno inshim flavivirusam virus Zika maye obolonku Nukleokapsid priblizno 25 30 nm v diametri z nesegmentovanim odnolankovim pozitivno spryamovanim RNK genomom Vin otochenij membranoyu z dvosharovoyi lipidnoyi obolonki yaka mistit bilki obolonki Virion priblizno syagaye 40 nm v diametri z poverhnevimi vistupami yaki stanovlyat priblizno 5 10 nm Poverhnevi bilki roztashovani v ikosaedrichnopodibnij simetriyi Maye dvi nekoduyuchi oblasti vidomi yak 5 NCR i 3 NCR Vidkrita ramka zchituvannya virusu Zika maye strukturu 5 S PRM E NS1 NS2A NS2B NS3 NS4A NS4B N S5 3 Koduye poliproteyini yaki zgodom rozsheplyuyutsya v kapsid S membrannij poperednik PRM bilok E i nestrukturni bilki NS 16 Bilok E skladaye bilshist poverhni viriona i bere uchast u zv yazuvanni z klitinami hazyayina i zlitti yih membran 17 Bilki NS1 NS3 NS5 ye visokomolekulyarnimi bilkami a bilki NS2A NS2B NS4A i NS4B menshi za molekulyarnistyu gidrofobni bilki Roztashovanij v 3 NCR fragment z 428 mi nukleotidiv mozhlivo graye rol v translyaciyi pakuvanni RNK ciklizaciyi stabilizaciyi genomu i rozpiznavanni 5 NCR provodit translyaciyu za dopomogoyu metilovanogo nukleotidu abo genom pov yazanogo bilka 18 Razom z virusom Spondveni utvoryuye kladu Spondveni angl Spondweni v rodi Flavivirus 17 19 Faktori agresiyi RedaguvatiAdgezijni faktori napriklad adgezin receptora tirozinkinazi spriyayut infekciyi 18 Filogenichni osoblivosti virusu RedaguvatiFilogenetichnij analiz pokazuye sho virus Zika mozhna buti klasifikuvati na rizni afrikanski ta azijski rodovodi yaki vijshli zi Shidnoyi Afriki v kinci 1800 h abo na pochatku 1900 h rokiv Azijski rodovodi vinikli pid chas migraciyi virusu z Afriki v Pivdenno Shidnu Aziyu de jogo vpershe viyavili v Malajziyi Zvidti virus Zika poshirivsya na ostrovi Tihogo okeanu a potim do Novoyi Kaledoniyi ostrovi Kuka ostriv Pashi a takozh do Pivnichnoyi i Pivdennoyi Ameriki Vivchennya molekulyarnoyi evolyuciyi virusu Zika na osnovi virusnih shtamiv zibranih z 4 h krayin v Zahidnij Africi protyagom 1947 2007 rokiv viznachilo kilka dilyanok vseredini genoma virusu yaki perebuvali pid silnim negativnim tiskom vidboru Ci dani svidchat pro chasti zgubni zmini funkcionalno vazhlivih geniv i mozhlivist yih rekombinaciyi yaka zustrichayetsya duzhe ridko sered inshih flavivirusiv Naslidki cogo sposterezhennya vimagayut podalshoyi ocinki shodo osoblivostej poshirennya virusu v sviti isnuvannya mozhlivogo zoonoznogo rezervuaru epidemiologichnogo potencialu 18 Osoblivosti poshirennya virusu v organizmi RedaguvatiOtrimani svidchennya sho proniknennya virus pislya ukusu vidbuvayetsya cherez fibroblastiv lyudskoyi shkiri keratinocitiv i nezrilih dendritnih klitin 18 Vvazhayut takozh sho virus spochatku infikuye dendritni klitini poblizu vid miscya potraplyannya potim poshiryuyetsya u limfatichni vuzli i vreshti resht postupaye u krovotik 19 Flavivirusi zazvichaj vidtvoryuyutsya u citoplazmi ale antigeni virusu Zika buli znajdeni v yadrah infikovanih klitin 20 Taka osoblivist replikaciyi virusu Zika yaka ye vidminnoyu vid inshih flavivirusiv potrebuye podalshogo vivchennya dlya rozuminnya osoblivostej poshirennya virusu v sviti ta jogo patogenezu 18 Peredacha virusu do lyudej RedaguvatiVirus Zika peredayut aktivni protyagom dennogo periodu komari rodu Aedes Aedes aegypti i ridshe tak zvani derevni komari Aedes africanus Aedes apicoargenteus Aedes furcifer Aedes hensilli Aedes luteocephalus ta Aedes vitattus Trivalist nabuttya patogennosti v organizmi komariv stanovit priblizno 10 dniv 13 Hrebetni dzherela virusu mavpi i lyudi hocha pitannya pro usi mozhlivi dzherela ta rezervuari infekciyi dostemenno ne vivcheno Do pochatku poshirennya sho pochalosya 2007 roku virus Zika ridko sprichinyav pomitni nadlishkovi zahvoryuvannya u lyudini navit u visokoendemichnih rajonah 2 U 2009 roci Brayan Foj biolog z laboratoriyi z vivchennya antroponoznih infekcijnih hvorob universitetu shtatu Kolorado zaraziv virusom Zika svoyu druzhinu statevim shlyahom Vin vidviduvav Senegal i vivchav komariv deyaki z nih jogo kusali Cherez kilka dniv pislya povernennya v SShA vin vidchuv sho zahvoriv bulo viznacheno sho ce hvoroba yaku sprichinyuye virus Zika ale ce stalosya vzhe pislya nezahishenogo statevogo kontaktu z druzhinoyu Zgodom u neyi z yavilisya oznaki hvorobi z netrivaloyu garyachkoyu nadmirnoyu chutlivistyu do svitla Foj persha vidoma lyudina yaka peredala poshiryuvanij komahami virus inshij lyudini cherez statevij kontakt 21 22 dovivshi takim chinom mozhlivist ne tilki naturalnoyi transmisivnoyi peredachi ale j kontaktnoyi statevoyi peredachi U 2015 roci RNK virusu Zika bulo viyavleno v navkoloplidnih vodah dvoh lyudskih embrioniv ce pokazalo sho virus pronikaye cherez placentu i mozhe sprichiniti infekciyu u ploda 23 20 sichnya 2016 roku vcheni u shtati Parana Braziliya viyavili genetichnij material virusu Zika u placenti zhinki yakij zrobili abort z privodu peredbachuvanoyi mikrocefaliyi yiyi ploda Cya znahidka pidtverdila toj fakt sho virus mozhe pronikati cherez placentu 24 Klinichni oznaki RedaguvatiDokladnishe Hvoroba yaku sprichinyuye virus ZikaOznaki hvorobi vklyuchayut legkij golovnij bil plyamistij visip netrivalu garyachku bez viraznoyi intoksikaciyi nezduzhannya kon yunktivit i bil v suglobah Tilki v odniyeyi lyudini z p yati proyavlyalisya oznaki zahvoryuvannya vidsutnya letalnist prote spravzhnij patogennij potencial virusu dosi ne vidomij 13 Profilaktika i likuvannya RedaguvatiDokladnishe Hvoroba yaku sprichinyuye virus ZikaNa sichen 2016 roku ne isnuye vakcini abo protivirusnih zasobiv dlya zapobigannya zahvoryuvannya Garyachku mozhna polegshiti vikoristovuyuchi paracetamol todi yak aspirin ta inshi nesteroyidni protizapalni preparati mozhna zastosovuvati tilki pislya viklyuchennya garyachki denge cherez mozhlivij rizik viniknennya krovotech 25 Doslidzhennya RedaguvatiDoslidniki z universitetu Purdu buli pershimi komu v 2016 roci vdalosya sfotografuvati strukturu virusu Zika Vikoristovuyuchi krioelektronnu mikroskopiyu voni otrimali zobrazhennya virusu z rozdilnoyu zdatnistyu v 3 8 angstrema 1 angstrem 10 10 metra cya odinicya tradicijno vikoristovuyetsya dlya virazhennya rozmiriv virusiv molekul ta inshih mikroskopichnih ob yektiv A v 2018 roci polipshivshi vikoristovuvani cryo EM tehnologiyi doslidniki zrobili znimok z rozdilnoyu zdatnistyu v 3 1 angstrema sho dozvolilo bilsh tochno viznachiti atomarnu strukturu virusu i viyaviti svogo rodu kisheni na jogo poverhni yaki mozhna vikoristovuvati pri rozrobci i virobnictvi 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Epidemiological update Outbreaks of Zika virus and complications potentially linked to the virus Zika infection European Centre for Disease Prevention and Control Arhiv originalu za 5 lyutogo 2016 Procitovano 18 sichnya 2016 Eric J Rubin Michael F Greene and Lindsey R Baden Zika Virus and Microcephaly NEJM February 10 2016DOI 10 1056 NEJMe1601862 Jernej Mlakar Misa Korva Natasa Tul Mara Popovic Mateja Poljsak Prijatelj and alt Virus Associated with Microcephaly NEJM February 10 2016DOI 10 1056 NEJMoa1600651 WHO statement on the 2nd meeting of IHR Emergency Committee on Zika virus and observed increase in neurological disorders and neonatal malformations WHO statement 8 March 2016 2 Arhivovano 12 bereznya 2016 u Wayback Machine Zika Virus in the Caribbean Alert Level 2 Practice Enhanced Precautions Travel Health Notices Travelers Health CDC Arhiv originalu za 3 bereznya 2016 Procitovano 28 sichnya 2016 UNISEF Press centre As Zika spreads UNICEF works to help keep communities safe angl 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